/**
 * Created with CLion.
 * Description: 
 * User: loong
 * Date: 2020-06-22
 * Time: 21:55
 */
#include <iostream>
#include <boost/progress.hpp>
#include <complex.h>


using namespace boost;
using namespace std;


int main() {
    stringstream ss;
    {
        boost::progress_timer t(ss);
    }
    cout<<ss.str()<<endl;
    return 0;
}
//利用progress_timer析构时，自动输出时间。
